Question

Diganme la respuesta 3{4[7-4(5×3-9)]-3(40-8)]=

Answer 1

=3{4[7-4(15-9)]-3(32)}
=3{4[7-4(6)]-96}
=3{4[7-24]-96}
=3{4[-17]-96}
=3{-68-96}
=3{-164}
=-492